Home / 18,455,508.92-25,469,330.78-10,615,008.62

Finding the Fourth Proportional to 18,455,508.92, 25,469,330.78 and 10,615,008.62

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Solution

The fourth proportional to 18,455,508.92, 25,469,330.78 and 10,615,008.62 is: 14,649,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,508.92 : 25,469,330.78 = 10,615,008.62 : x
  2. Step 2: Convert to fraction form
    18,455,508.92/25,469,330.78 = 10,615,008.62/x
  3. Step 3: Cross multiply
    18,455,508.92x = 25,469,330.78 × 10,615,008.62
  4. Step 4: Simplify right side
    18,455,508.92x = 270,357,165,775,331.31
  5. Step 5: Solve for x
    x = 270,357,165,775,331.31/18,455,508.92
  6. Step 6: Final answer
    x = 14,649,130.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.